Description
- Includes 10 marbles and 102 building pieces featuring a musical corkscrew, fast tracks, dizzying vortex and more that easily connect
- Color-coded blocks and an easy-to-follow guide help you construct three different builds from beginner to advanced or create your own to explore STEM skills
- Compete with family and friends to build the best course and keep the marbles moving through thrilling stunts and challenges
